For his most recent Late Night trending topic, Fallon honored the season by asking people to share their worst Valentine's Day experiences ever. So if you thought the dinner your girlfriend burned last year was as bad as it gets, think again.
The idea obviously struck a chord, because #MyWorstValentine became a worldwide trending topic in under 5 minutes.
Just in case you're hungry for more Worst Valentines, the Late Night blog has rounded up some honorable mention tweets as well, so be sure to check those out.
International readers can watch the clip here.